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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using libxmltv.Interfaces; |
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william |
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using System.Xml.Linq; |
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using System.Reflection; |
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using System.IO; |
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using System.Diagnostics; |
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using System.Globalization; |
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namespace libxmltv.Core |
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{ |
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[Serializable] |
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internal class XMLTVProgram : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVProgram |
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{ |
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public XMLTVProgram() |
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: base(null, XMLTVConstants.Programs.RootElement) |
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{ |
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InternalDictionaryAddKnownProperties(); |
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} |
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public XMLTVProgram(XMLTVRuntimeInstance instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.RootElement) |
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{ |
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InternalDictionaryAddKnownProperties(); |
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try { |
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xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVProgram"); |
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Create(node); |
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xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVProgram"); |
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UpdateInstance(); |
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} |
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catch (IOException ex) { Debug.WriteLine(ex.ToString()); } |
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} |
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#region IXMLTVProgram members |
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//public int Id { get; set; } |
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//public DateTime Start { get; set; } |
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//public DateTime Stop { get; set; } |
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//public IXMLTVChannel Channel { get; set; } |
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//public string Title { get; set; } |
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//public string SubTitle { get; set; } |
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//public string Description { get; set; } |
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private void InternalDictionaryAddKnownProperties() |
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{ |
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MetaData = new PropertyDictionary(); |
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MetaData.AddProperty("Id", 0); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, new DateTime()); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, new DateTime()); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, string.Empty); |
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} |
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#region Property Dictionary Support |
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private IPropertyDictionary _MetaData; |
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public IPropertyDictionary MetaData { get { return _MetaData; } private set { _MetaData = value; } } |
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public List<IExtraMetaData> GetExtraMetaData() |
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{ |
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return (List<IExtraMetaData>)this.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData]; |
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} |
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#endregion |
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|
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#endregion |
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public override string ToString() |
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{ |
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return string.Format("{0}: {1} - {2} ({3}) ['{4}' <==> '{5}']", |
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MetaData["Id"].ToString(), |
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MetaData[XMLTVConstants.Programs.ProgramTitle].ToString(), |
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MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString(), |
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MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString(), |
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((DateTime)MetaData[XMLTVConstants.Programs.ProgramStart]).ToDateTimeString(), |
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((DateTime)MetaData[XMLTVConstants.Programs.ProgramStop]).ToDateTimeString()); |
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} |
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private void UpdateInstance() |
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{ |
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bool found_field = false; |
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var instance_type = this.GetInstance().GetType(); |
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var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance); |
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foreach (var field in fields) |
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{ |
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if (field.FieldType == typeof(ProgramList)) |
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{ |
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found_field = true; |
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try |
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{ |
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var list = (ProgramList)field.GetValue(this.GetInstance()); |
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MetaData["Id"] = list.Count + 1; |
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list.Add(this); |
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xmltv_logger.Verbose.Debug.WriteLine("Updating instance with program information: {0}", this.ToString()); |
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field.SetValue(this.GetInstance(), list); |
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break; |
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} |
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catch (Exception ex) |
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{ |
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xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with program information."); |
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xmltv_logger.Verbose.Error.WriteLine(ex.ToString()); |
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} |
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} |
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} |
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if (!found_field) |
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{ |
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xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with program information."); |
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} |
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} |
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|
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private void Create(XElement node) |
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{ |
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CreateHandlerForProgramMetaDataNode(node); |
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var nodes = node.Elements().ToList(); |
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foreach (var sub_node in nodes) |
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{ |
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if (this.GetInstance().IsAborting) |
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{ |
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break; |
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} |
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CreateHandlerForProgramMetaDataNode(sub_node); |
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} |
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} |
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private static DateTime ParseDate(string timeStamp) |
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{ |
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DateTime dt = new DateTime(); |
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try |
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{ |
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dt = DateTime.ParseExact(timeStamp, "yyyyMMddHHmmss zzzz", System.Globalization.CultureInfo.CurrentCulture); |
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} |
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catch (Exception ex) { throw ex; } |
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return dt; |
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} |
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|
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private void CreateHandlerForProgramMetaDataNode(XElement node) |
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{ |
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william |
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|
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william |
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Type t = this.GetType(); |
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Assembly asm = t.Assembly; |
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var types = asm.GetTypes(); |
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var classes = types.ToList().FindAll( |
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m => |
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m.DeclaringType == t && |
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m.IsClass && |
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!m.IsSealed |
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); |
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classes.TrimExcess(); |
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object raw_instance = null; |
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BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
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CultureInfo culture = CultureInfo.CurrentCulture; |
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Type handler_type = null; |
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foreach (var type in classes) |
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{ |
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if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVProgram>)) |
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{ |
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var iface = type.GetInterface("IXMLTVHandler", true); |
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if (iface != null) |
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{ |
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var handler_prop = type.GetProperty("Handler"); |
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if (handler_prop != null) |
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{ |
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var ctors = type.GetConstructors(flags); |
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bool has_default_ctor = false; |
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foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 0) { has_default_ctor = true; } } |
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ctors = null; |
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if (!has_default_ctor) { continue; } |
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raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture); |
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if (raw_instance != null) |
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{ |
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object handler_value = handler_prop.GetValue(raw_instance, null); |
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if (handler_value != null && handler_value.ToString() == node.Name.ToString()) |
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{ |
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handler_type = type; |
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handler_value = null; |
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raw_instance = null; |
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handler_prop = null; |
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iface = null; |
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break; |
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} |
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handler_value = null; |
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} |
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raw_instance = null; |
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} |
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handler_prop = null; |
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} |
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iface = null; |
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} |
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} |
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t = null; |
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asm = null; |
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types = null; |
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classes = null; |
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if (handler_type == null) |
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{ |
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try |
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{ |
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raw_instance = Activator.CreateInstance(typeof(UnhandledExtraProgramMetaData), flags, null, new object[] { this, node }, culture); |
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} |
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catch (Exception ex) { throw ex; } |
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if (raw_instance == null) |
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{ |
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StringBuilder node_builder = new StringBuilder(); |
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node_builder.AppendFormat("<{0} ", node.Name); |
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if (node.HasAttributes) { foreach (var attribute in node.Attributes()) { node_builder.AppendFormat("{0}=\"{1}\" ", attribute.Name, attribute.Value); } } |
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string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' })); |
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xmltv_logger.Verbose.Warn.WriteLine("Ignoring unhandled extra meta-data: {0}", node_text); |
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} |
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} |
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else |
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{ |
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try |
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{ |
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raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { this, node }, culture); |
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} |
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catch (Exception ex) { throw ex; } |
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william |
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} |
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raw_instance = null; |
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flags = 0; |
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culture = null; |
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node = null; |
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william |
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} |
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#region sub-classes |
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#region programme: stop/start/channelid |
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private class programme : XMLTVBase<XMLTVProgram> |
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{ |
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public programme() : base(null, XMLTVConstants.Programs.RootElement) { } |
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public programme(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.RootElement) |
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{ |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
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if (node.HasAttributes) |
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{ |
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var start = node.Attribute(XMLTVConstants.Programs.ProgramStart); |
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var t_start = start == null ? new DateTime() : ParseDate(start.Value); |
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if (!t_start.Equals(new DateTime())) |
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{ |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_start: {0}", start); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_start dt: {0}", t_start.ToString()); |
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} |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, t_start); |
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william |
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|
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var stop = node.Attribute(XMLTVConstants.Programs.ProgramStop); |
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var t_stop = stop == null ? new DateTime() : ParseDate(stop.Value); |
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william |
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if (!t_stop.Equals(new DateTime())) |
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{ |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_stop: {0}", stop); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_stop dt: {0}", t_stop.ToString()); |
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} |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, t_stop); |
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william |
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|
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var channelid = node.Attribute(XMLTVConstants.Programs.ProgramChannelId); |
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if (channelid != null) |
260 |
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{ |
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if (!string.IsNullOrEmpty(channelid.Value)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_channelid: {0}", channelid.Value); } |
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william |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, channelid.Value); |
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william |
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} |
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william |
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} |
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william |
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node = null; |
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william |
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} |
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} |
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#endregion |
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william |
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#region title |
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private class title : XMLTVBase<XMLTVProgram> |
272 |
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{ |
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public title() : base(null, XMLTVConstants.Programs.ProgramTitle) { } |
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public title(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.ProgramTitle) |
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{ |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
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if (node.Value != null) |
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{ |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, node.Value); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_title: {0}", node.Value); |
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} |
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node = null; |
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william |
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} |
285 |
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} |
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#endregion |
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#region sub-title |
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william |
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private class subtitle : XMLTVBase<XMLTVProgram> |
289 |
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{ |
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public subtitle() : base(null, XMLTVConstants.Programs.ProgramSubTitle) { } |
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public subtitle(XMLTVProgram instance, XElement node) |
292 |
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: base(instance, XMLTVConstants.Programs.ProgramSubTitle) |
293 |
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{ |
294 |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
295 |
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if (node.Value != null) |
296 |
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{ |
297 |
william |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, node.Value); |
298 |
william |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_subtitle: {0}", node.Value); |
299 |
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} |
300 |
william |
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node = null; |
301 |
william |
89 |
} |
302 |
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} |
303 |
william |
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#endregion |
304 |
william |
105 |
#region description |
305 |
william |
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private class description : XMLTVBase<XMLTVProgram> |
306 |
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{ |
307 |
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public description() : base(null, XMLTVConstants.Programs.ProgramDescription) { } |
308 |
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public description(XMLTVProgram instance, XElement node) |
309 |
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: base(instance, XMLTVConstants.Programs.ProgramDescription) |
310 |
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{ |
311 |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
312 |
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if (node.Value != null) |
313 |
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{ |
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william |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, node.Value); |
315 |
william |
89 |
xmltv_logger.Verbose.Debug.WriteLine("\tprogram_description: {0}", node.Value); |
316 |
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} |
317 |
william |
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node = null; |
318 |
william |
89 |
} |
319 |
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} |
320 |
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#endregion |
321 |
william |
105 |
|
322 |
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#region UnhandledExtraMetaData |
323 |
william |
107 |
private class UnhandledExtraProgramMetaData : XMLTVBase<XMLTVProgram> |
324 |
william |
105 |
{ |
325 |
william |
107 |
public UnhandledExtraProgramMetaData() : base(null, null) { } |
326 |
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public UnhandledExtraProgramMetaData(XMLTVProgram instance, XElement node) |
327 |
william |
105 |
: base(instance, null) |
328 |
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{ |
329 |
william |
106 |
if (node == null) { throw new NullReferenceException("The node instance was null"); } |
330 |
william |
107 |
xmltv_logger.Verbose.Debug.WriteLine("Parsng unhandled extra program meta-data: {0}", node.Name.ToString()); |
331 |
william |
105 |
if (this.GetInstance() != null) |
332 |
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{ |
333 |
william |
110 |
List<IExtraMetaData> list = new List<IExtraMetaData>(); |
334 |
william |
106 |
if (!instance.MetaData.ContainsProperty(XMLTVConstants.Programs.ProgramExtraMetaData)) { instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramExtraMetaData, new List<ExtraMetaData>()); } |
335 |
william |
110 |
else { list = (List<IExtraMetaData>)instance.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData]; } |
336 |
william |
106 |
ExtraMetaData data = new ExtraMetaData(node); |
337 |
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list.Add(data); |
338 |
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instance.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData] = list; |
339 |
william |
111 |
data = null; |
340 |
william |
105 |
} |
341 |
william |
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node = null; |
342 |
william |
105 |
} |
343 |
william |
107 |
} |
344 |
william |
89 |
#endregion |
345 |
william |
105 |
#endregion |
346 |
william |
73 |
} |
347 |
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} |